本文以理论分析和数值仿真两种方法对该滞后现象进行了研究。
The motion lag of struck ship has been evaluated by a simplified analytical method based on momentum transfer analysis and calibrated by dynamic fluid-structure coupling F.
动力学数值仿真的结果表明，对小曲率柔性曲线梁，其横向变形比纵向变形大得多。
The dynamic numerical simulation results show that the transverse deflection is much greater than the longitudinal deflection for the flexible curve beam with small curvature.
本文主要通过数值仿真方法研究了进气管可变技术对汽油机流动特性及其性能的影响。
By using numerical simulation method, this paper mainly researches the influence of variable intake manifolds on intake flow characteristics and performance for gasoline engine.
针对其不足提出几种优化改进方案，并通过计算机数值仿真计算对比各方案改进效果。
Several optimization schemes of improvement in view of its shortcomings are put forward, and comparisons of the schemes are made by computational numerical simulation method.
数值仿真结果表明，模型的解是最保守的，但却能够有效地保证供应链运作的鲁棒性。
Simulation result showed that solution to the model was the most conservative whereas ensuring the robustness of the operation of supply chain effectively.
数值仿真研究结果表明，在悬架系统中选用合适的变刚度弹簧能有效改善乘坐舒适性。
Numerical simulations have demonstrated that in the vehicle suspension system by choosing appropriate variable stiffness springs, ride comfort can be improved efficiently.
介绍了叶轮机虚拟样机技术、多级轴流压气机数值仿真和叶轮机与发动机一体化设计。
In this paper, virtual prototype technology of turbo-machinery, multistage axial flow compressor numerical simulation, and integrated design of turbo-machinery and engine have been introduced.
数值仿真模型中考虑了自燃推进剂雾化机理、高压分解燃烧和预混反应流湍流燃烧等。
The atomization mechanism of hypergolic rocket propellant and decomposition combustion at high pressure and turbulence burning of premixed reactant flow field are considered .
相比于简化解析法，数值仿真法可以得到详细的动力学时历结果以及船体结构损伤变形图。
Compared with the simplified analysis method, the numerical simulation method can obtain detailed time history results of dynamics and damage deformation pictures of ship hull structure.
本文采用理论分析和数值仿真方法对大长径比固体火箭发动机点火瞬态过程进行了系统研究。
This dissertation integrates theoretical analysis and numerical simulation method to investigate the ignition transient process of large aspect ratio solid rocket motors.
采用常规的电力系统元件模型和参数进行数值仿真所得的频率变化曲线与实测曲线偏差较大。
As for the numerical simulation by traditional power system component models and parameters, the obtained dynamic frequency curves evidently diverge from measured ones.
数值仿真结果表明，该算法通过多次分配有效地提高了频谱的利用率，增加了系统的吞吐量。
Simulation results demonstrate that the proposed algorithm is effective to improve the spectrum utilization and increase system throughput by multiple allocation.
基于能源合理有效利用的观点，开发出一套用于热风热油载体锅炉的优化设计和数值仿真系统。
Based on the view of efficient using energy, the optimum design and numerical simulation system is developed for the hot-blast and organic heat carrier boiler.
通过数值仿真获得了弹箭在该下洗流场作用下的运动规律以及部分参数对弹箭运动的影响规律。
With numerical simulation, the regularities of a rocket under helicopter rotor's down wash flow and the effects of launching parameters upon the rocket movement were obtained.
类似地分析了几类实时数值仿真的串行算法的构造特点、快速性、数值稳定性和计算复杂性等。
Similarly, construction feature, fast compute, numerical stability and compute complexity of some sequential algorithms for real-time numerical simulation were analyzed.
以常规单旋翼带尾桨直升机为对象，讨论均匀与非均匀入流模型对直升机飞行数值仿真的影响。
For the current helicopter of single main rotor with tail rotor, the effect of inflow models with different characteristics on helicopter trim and digital simulation was discussed.
以非均质各向同性渗流模型仿真地下水流，用不规则三角网格有限差分法求解三维数值仿真模型。
The groundwater flow is simulated with the seepage model of heterogeneity isotrope, and the partial differential equations are solved with finite difference scheme of irregular triangle net.
在数值仿真和轴承故障特征选择中，采用新方法在保证诊断精度的同时，可以节省大量选择时间。
The composite method saves more computing time than the wrapper method with holding the classification accuracy in data simulation and experiment on bearing fault feature selection.
本文概述了系统的主要结构与工作原理，并应用数值仿真和实际工程试验验证考核了系统的有效性。
The paper outlined the main structure and working principle of the system and verified its effectiveness through numerical simulation and engineering tests.
采用数值仿真和优化方法，对主离合器接合过程进行了分析研究，提出了最佳接合过程的压紧规律。
The engagement process of the main clutch is analyzed using digital simulation and optimization and a compressing rule of optimal engagement process is presented.
在考虑了汽车固有振动频率及行驶速度后，利用该方法对A、E两个等级的公路路面进行数值仿真。
Considering the effect of the vehicle natural vibration frequency and velocity, the simulation and analysis are done on a, E-the two grades of road using this method.
几个混沌系统的数值仿真表明了扩张状态观测器和自抗扰控制器可有效地用于混沌系统的观测和控制。
Several numerical simulations of chaotic systems show that the extended state observer and auto-disturbances-rejection controller can effectively be used to observe and control chaotic systems.
在悬臂上进行最优控制的数值仿真结果显示该最优控制方法能充分利用控制作动器迅速抑制结构振动。
The optimal control law was simulated for a cantilever beam with the results showing that with the cable actuator, the structural vibrations were rapidly attenuated.
对一个受控的20层基准建筑结构进行了非线性地震反应的数值仿真分析，并与别的控制策略进行比较。
Numerical simulation was carried out for analyzing the nonlinear seismic responses of the controlled 20-story benchmark building, and the results were compared with those by other.
建立了硬质合金烧结-热等静压炉内传热的三维非稳态数值仿真模型，对炉内的温度场进行仿真与优化。
A three dimensional unsteady numerical model of cemented carbide sinter-HIP furnace was established. The temperature field was simulated and optimized with this model.
报道了利用数值仿真方法对自适应光学系统补偿激光传输湍流效应中的波前拟合和复原误差的计算分析。
Using numerical simulation, the fitting error is calculated in the adaptive optics phase compensation for turbulent effect of laser propagation in the atmosphere.
试验结果表明，此方法具有精度高，收敛速度快等优点，可广泛运用于发动机数值仿真及控制模拟等领域。
The result implies that this method has high precision and fast convergence pace and it can be applied to many fields such as aeroengine numeral simulation, control simulation and so on.
对双向抽头滤波器和预测误差滤波器这两种自适应滤波器的特性进行了分析，并在计算机上进行了数值仿真。
The characteristics of dual tap filter and predicted error filter are analyzed, which are auto-adapted filters, and a numerical simulation is performed on computer.
仿真结果表明，利用M - c方法对推力室进行数值仿真是完全可行的，所用的非线性模型是足够准确的。
The simulation result indicates that the simulation of the engine chamber performances by using Monte-Carlo method is feasible and that the non linear model is accurate enough.
仿真结果表明，利用M - c方法对推力室进行数值仿真是完全可行的，所用的非线性模型是足够准确的。
The simulation result indicates that the simulation of the engine chamber performances by using Monte-Carlo method is feasible and that the non linear model is accurate enough.
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